Re: ISI 2010

Posted by Manvendra on May 04, 2012; 5:10pm
URL: http://discussion-forum.276.s1.nabble.com/ISI-2010-tp7524446p7527837.html

Hi

thanks for the reply.

just one more doubt ..the var(x + y) = var x + var y + 2 cov ( x,y ) or is it var x + var y - 2 cov (x,y) ?


thanks in advance